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Subtract 10/63 from 3/20

3/20 - 10/63 is -11/1260.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    3/20 = 3 × 63/20 × 63 = 189/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    10/63 = 10 × 20/63 × 20 = 200/1260
  4. Subtract the two like fractions:
    189/1260 - 200/1260 = 189 - 200/1260 = -11/1260

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